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[Xavier Bestel <n0made free fr>]

Hi !

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Xav

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• From: Arnaldo Carvalho de Melo <acme conectiva com br>
• To: Eddie C.Dost <ecd skynet be>
• Cc: David S.Miller <davem redhat com>, Alan Cox <alan lxorguk ukuu org uk>, kernel-janitor-discuss lists sourceforge net
• Subject: [PATCH] drivers/sbus/char/sab82532.c small cleanups
• Date: Fri, 29 Jun 2001 14:51:24 -0300

Hi,

        Please consider applying.

                        - Arnaldo

--- linux-2.4.5-ac21/drivers/sbus/char/sab82532.c       Fri Jun 29 10:57:25 2001
+++ linux-2.4.5-ac21.acme/drivers/sbus/char/sab82532.c  Fri Jun 29 14:49:37 2001
@@ -1368,12 +1368,10 @@
 static int set_modem_info(struct sab82532 * info, unsigned int cmd,
                          unsigned int *value)
 {
-       int error;
        unsigned int arg;
 
-       error = get_user(arg, value);
-       if (error)
-               return error;
+       if (get_user(arg, value))
+               return -EFAULT;
        switch (cmd) {
        case TIOCMBIS: 
                if (arg & TIOCM_RTS) {
@@ -1442,7 +1440,6 @@
 static int sab82532_ioctl(struct tty_struct *tty, struct file * file,
                    unsigned int cmd, unsigned long arg)
 {
-       int error;
        struct sab82532 * info = (struct sab82532 *)tty->driver_data;
        struct async_icount cprev, cnow;        /* kernel counter temps */
        struct serial_icounter_struct *p_cuser; /* user space */
@@ -1462,9 +1459,8 @@
                case TIOCGSOFTCAR:
                        return put_user(C_CLOCAL(tty) ? 1 : 0, (int *) arg);
                case TIOCSSOFTCAR:
-                       error = get_user(arg, (unsigned int *) arg);
-                       if (error)
-                               return error;
+                       if (get_user(arg, (unsigned int *) arg))
+                               return -EFAULT;
                        tty->termios->c_cflag =
                                ((tty->termios->c_cflag & ~CLOCAL) |
                                 (arg ? CLOCAL : 0));
@@ -1534,14 +1530,11 @@
                        cnow = info->icount;
                        sti();
                        p_cuser = (struct serial_icounter_struct *) arg;
-                       error = put_user(cnow.cts, &p_cuser->cts);
-                       if (error) return error;
-                       error = put_user(cnow.dsr, &p_cuser->dsr);
-                       if (error) return error;
-                       error = put_user(cnow.rng, &p_cuser->rng);
-                       if (error) return error;
-                       error = put_user(cnow.dcd, &p_cuser->dcd);
-                       if (error) return error;
+                       if (put_user(cnow.cts, &p_cuser->cts) ||
+                           put_user(cnow.dsr, &p_cuser->dsr) ||
+                           put_user(cnow.rng, &p_cuser->rng) ||
+                           put_user(cnow.dcd, &p_cuser->dcd))
+                               return -EFAULT;
                        return 0;
 
                default:

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